M4.3 Earthquake 15 km WSW of Hengchun, Taiwan — August 12, 2026
2026-08-12 19:54:23 UTC (2026-08-12) · approx. 3:54 AM UTC+8 local
On August 12, 2026 at 19:54 UTC, a magnitude 4.3 shallow crustal earthquake struck 15 km WSW of Hengchun, Taiwan, at a depth of 28.7 km and coordinates 21.9698°, 120.6033°.
Physical scale: An earthquake of magnitude 4.3 releases seismic energy equivalent to roughly 43 metric tons of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 558 m — a useful intuition for the size of the slip patch on the fault.
Earthquake Details
120.6033°E
Technical Information
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Common Questions
How strong was the magnitude 4.3 earthquake near Hengchun, Taiwan?
The magnitude 4.3 earthquake that struck 15 km WSW of Hengchun, Taiwan on August 12, 2026 at 19:54 UTC had a depth of 28.7 km. For context, this was a light earthquake commonly felt near the epicenter.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.3 earthquakes can continue for several days and gradually diminish over time.
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Understanding This Data
Magnitude 4.3 earthquakes are often felt but rarely cause damage.
Authoritative source: USGS event page (event ID: us6000tka7). All scientific values on this page are sourced verbatim from the USGS feed.
Cite this page: EarthquakeTracker.org. (2026, August 12, 2026). M4.3 Earthquake 15 km WSW of Hengchun, Taiwan — August 12, 2026. Retrieved September 3, 2026 from https://www.earthquaketracker.org/earthquakes/event/us6000tka7/